66852195067 has 8 divisors (see below), whose sum is σ = 76437144576. Its totient is φ = 57275904552.

The previous prime is 66852195061. The next prime is 66852195079. The reversal of 66852195067 is 76059125866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66852195067 - 2⁷ = 66852194939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66852194999 and 66852195017.

It is not an unprimeable number, because it can be changed into a prime (66852195061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148193 + ... + 2179090.

It is an arithmetic number, because the mean of its divisors is an integer number (9554643072).

Almost surely, 2^66852195067 is an apocalyptic number.

66852195067 is a deficient number, since it is larger than the sum of its proper divisors (9584949509).

66852195067 is a wasteful number, since it uses less digits than its factorization.

66852195067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329497.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 66852195067 in words is "sixty-six billion, eight hundred fifty-two million, one hundred ninety-five thousand, sixty-seven".